/*******************************************************************************
 * Copyright (c) 2010 liw.
 * All rights reserved. 
 * 
 * This file is part of VanBus.
 * 
 *     VanBus is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     VanBus is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with VanBus.  If not, see <http://www.gnu.org/licenses/>.
 * Contributors:
 *     liw - initial API and implementation
 ******************************************************************************/
package org.niclab.vanbus.reminder;

import android.app.Service;
import android.content.Context;
import android.os.PowerManager;

public abstract class WakefulService extends Service{
	
	public static final String LOCK_NAME_STATIC="org.niclab.reminder.endstopreminder.lock";
	private static PowerManager.WakeLock lockStatic=null;
	
	public static void acquireStaticLock(Context context) {
		getLock(context).acquire();
	}

	synchronized protected static PowerManager.WakeLock getLock(Context context) {
		if (lockStatic == null) {
			PowerManager mgr = (PowerManager) context
					.getSystemService(Context.POWER_SERVICE);

			lockStatic = mgr.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
					LOCK_NAME_STATIC);
			lockStatic.setReferenceCounted(true);
		}

		return (lockStatic);
	}
	

}
